linux-kernel - Re: [Patch -tip 1/3] Tracing/ftrace: Relay unhandled entry output

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Message-ID: <20080927175046.GG26047@elte.hu>
Date:	Sat, 27 Sep 2008 19:50:46 +0200
From:	Ingo Molnar <mingo@...e.hu>
To:	Frédéric Weisbecker <fweisbec@...il.com>
Cc:	Pekka Paalanen <pq@....fi>, Steven Rostedt <rostedt@...dmis.org>,
	linux-kernel@...r.kernel.org
Subject: Re: [Patch -tip 1/3] Tracing/ftrace: Relay unhandled entry output


* Frédéric Weisbecker <fweisbec@...il.com> wrote:

> 2008/9/25 Pekka Paalanen <pq@....fi>:
> > Oh cool, sounds like I should try linux-next when I can.
> 
> 
> It is on -tip if you want :)
> 
> So, unless someone is opposed to. I will send a patch which define
> three possible values
> for the print_line callback. I will define these values on trace.h
> Why not:
> 
> #define TRACE_TYPE_PARTIAL_LINE 0
> #define TRACE_TYPE_HANDLED 1
> #define TRACE_TYPE_UNHANDLED 2   => will relay on default functions
> 
> Hmm I'm questionning about the relevance of this kind of patch since 
> the tracing API is in refactoring...

dont worry about that aspect too much, the ring buffer API will be a 
transparent replacement, so try to iterate whatever is there at the 
moment towards perfection :)

	Ingo
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